MG995 SG90 Dual Servos Knob Serial Port Control Board For Steering Gear Debug

Description: Descriptions: Product parameters:1. On-board mature and stable 8-bit MCU is used to generate high-resolution PWM signals for precise control;.2. Support manual mode and back to the centre mode, switch by key, with mode indicator.3. Support knob adjustment or serial command control in manual mode.4. Serial command control can use the supporting host computer or connect to external MCU.5. Number of control channels: 2-way (M0 and M1 servos), using the knob adjustment and back to the centre function.When using the knob adjustment and back to the centre function, 2 servos are controlled at the same time, when using the serial command, 2 servos can be controlled separately; 6.6. Servo control precision: 0.09 degrees (i.e. PWM minimum change value 1us).7. Support control period of 20ms, pulse width in the range of 0.5-2.5ms servo (such as Futaba, Huisheng, etc.)8. 2S lithium battery charging head can be used directly to debug and return to the centre of the servo.9. Power supply voltage range: 5-9V (specific to the actual servo power supply voltage shall prevail) Instructions for use:1. About wiring:VCC, GND to the power supply, the servo will be inserted in the 2X3P row of pins, 2. Manual modeSelect manual mode through the on-board button, at this time the manual light is on, the neutral light is off.Manual mode includes knob control and serial port control, the default is knob control, the two control modes will be automatically switched, that is, the system will automatically switch between the two control modes.The system will automatically switch between the two control modes, i.e. knob control is selected when the potentiometer is detected to be rotating.The system will automatically switch between the two control modes, i.e. knob control is selected when the potentiometer is detected to be rotated, and serial port control is selected when the serial port receives a valid control command.2.1 Knob Control.Directly turn the potentiometer to control the servo in the range of 0-180° where VCC is the positive pole, GND is the negative pole and S is the signal terminal.2.2 Serial port control:The onboard MCU can receive and parse the servo positioning commands (baud rate 9600, compatible with 3.3V/5V level) from the host computer, external MCU and other devices, so as to control the 2-way servo respectively, where the servo positioning command format is: #< ch > P < time >!, and the position of the servo is in the format of: #< ch > P < time >!The respective meanings are as follows:a, #is the starting symbol, indispensable;b, < ch > indicates which servo is controlled, a total of 2 channels (range: 00-01 correspond to the servo respectively)M0 and M1);c, P are fixed symbols in the instruction format and are indispensable.d, < time > indicates the width of the PWM signal (range: 0500-2500 corresponds to 0-180 °, respectively);e,! is the end symbol of the instruction, indicating the end of an instruction, which is indispensable.For example: send #00P1500! to turn the rudder MO to the 90 ° position Send #01P1000! to turn the rudder M1 to the 45 ° positionTake the upper computer LCSC developed by Elsai as an example, first prepare a USB to TTL serial port module(Such as CH340, FT232, etc.), the TX, RX, and GND of the serial port module are respectively connected to the RX,TX, GND, select the correct port number, and drag the progress bar of No. 0 and No. 1 after the connection is successful.After connecting successfully, drag the progress bar of No.0 and No.1 to control the servo of MO and No.M1 respectively, as the following figure.3. Centre Return ModeSelect back to centre mode through the on-board button, at this time, the manual light is off, the centre light is on, and the servos MO and M1 can be controlled respectively. The servos MO and M1 will return to the centre position at the same time. Warm Tips.Because the servo belongs to the more power-consuming devices (such as MG995/MG996 servo), so The power supply current to the servo needs to be sufficient, when the servo rotates, if the on-board LED flickers, the servo will not be able to operate. When the servo rotates, if the LED on the board flickers, the servo is not controlled, or the error is obviously large, it means that the power supply current is insufficient and the power supply needs to be replaced. When the servo rotates, if the LED on the board flickers, the servo is not controlled or the error is obviously large and other abnormal phenomena, it means that the power supply current is not enough to replace the power supply. 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Price: 10.52 USD

Location: ShenZhen

End Time: 2024-12-22T01:45:39.000Z

Shipping Cost: 5 USD